NCG140418_MONITORING INFO_20180627

STORMWATER DIVISION CODING SKEET
NCG PERMITS
PERMIT NO.
IV U& ( Ll 6 y
DOC TYPE.
ORICAL FILE
i:oTrNITORINGREPORTS
DOC DATE
❑ b
YYYYMMDD

iNVIRONMNAL GEOLOGISTS RI iRS
LVVCKLEE 511 KiISLiR )RIVE - SUITEIU2
CARY,
NORTIICARO.I27518& UU,VHHM OFFICE85 t- WWW.DUNCKLEEDIN{AMCOM
June 27, 2018
North Carolina Division of Energy, Mineral and Land Resources
Land Quality Section
Raleigh Regional Office
3800 Barrett Drive
Raleigh, North Carolina 27606
Reference: Monthly Discharge Monitoring Reports
NC Dept ofEnvironm talQuality
�9
JUNI" 2018
Raleigh Regional Office
On behalf of Thomas Concrete Duncklee & Dunham, P.C. submits the enclosed discharge monitoring
reports for facilities located in Durham, Morrisville, Raleigh, and Wake Forest. If you have any
questions, please contact us at [phone] or via email at Chris .dunekleedunham.com.
Sincerely,
Duncklee & Dunham, P.C.
4�' 94
Chris Bagley, PE, CIH, CHMM, QEP
Senior Engineer/Project Manager
cc: Justin Hartley
Thomas Concrete
Enclosures "
IPA
Zis(z
MAILING ADDRESS - POST OFFICE BOX 639 - CARY, NORTH CAROLINA 27512
NORTH CAROLINA BOARD OF EXAMINERS FOR ENGINEERS AND SURVEYORS LICENSE C-3559
NORTH CAROLINA BOARD FOR LICENSING OE GEOLOGISTS LICENSE C-261
NC DEQ REGISTERED ENVIRONMENTAL CONSULTANT NUMBER 00061

NC Dept Of Environmental Quality
JUN 2 8 2018
Raleigh Regional Office
BENCHMARK EXCEEDANCE or TIER 2 DISCHARGE MONITORING REPORT (DMR) — STORMINATER
SUBMIT TO REGIONAL OFFICE'
General Permit No. NCG140000
'Use this form If any stomwetar samples hate EXCEEDED A BENCHMARK or if the facility i
Certificate of Coverage No. NCG140350
Facility Name: Thomas Concrete of Carolina - Wake Forest Plant Sample Collection Period:
County: Wggk For Monthly Monitodng: Month: MU
Phone Number. 919-562-130B Person Collecting Sampies:
Certified Laboratory: M Lab a ENV 375
ri
Period 1 ® Period 2 ❑ Calendar Year 2018
Has this facility had 4 or more benchmark exceedanoea for any single parameter, at anyone SW discharge outfall (SDO)? Yes® No ❑
Have you conWctW the Regional Office? Yea ® No ❑
Whom at the Region did you speak with? Thad Vaienfine
Stormwater Monitorina Reaulremertts
31
if, +� -vn� y�-11'—� 4 � jY
1
Pam1k taro e11=7 - enamu Last Revised B-22-2017
pee f 013

Certificate of coverage No. NCG140350
z�y.H 5 Icjs.r.
It N�41.M.a rS rt,JfY F ��q _ (�l l;r `1'5
j
P6m ft bate 61U2017 — 613=022 Lest ReWS&d 6.22-2017
Pepe 2 013

CERTIFICATION Certificate of Coverage No. NCG140350
'I certify, under penalty Of law, that this document and all attachments were prepared under my direction or suparvlSlon In accordance with a system
designed to assure that qualified personnel property gather and evaluate the information submitted. Based on my inquiry of the person or persons who
manage the system, or those persons directly responsible for gathering the information, the Information submitted is, to the beat of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false Information, including the possibility of fines and
imprisonment for knowing A218tons.' (R@ rod by 40 CFR§122,22)
Signature V A IjKv-/-jj
Date
Mail Benchmark Exceedaneeffler 2 DMR to Your DEMLR Regional Office Land Quality Section:
2090 US Highway 70
Swannanoa, NC 28778
[phone]
Raleigh, NC 27609
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27103
[phone]
Permit Dab 81112017 - 61102022
225 Green Street
Systel Building Suite 714
Fayetteville, NC 28301-5043
943 Washington Square Mall
Washington, NC 27889
[phone]
Questions for The Central Ofiim
Stormwater Permitting Program?
[phone]
610 East Center Avenue/Suite 301
Mooresville, NC 28115
[phone]
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
(910) 7%-7215
Last Revised 8-22-2017
Page 3 of a

BENCHMARK
or TCIE
susmrr
OFRCE'
General Permit No. NCGI40000
any stonmrater samples have EXCEEDED A BENCHMARK or Bthe fadfiy
Certificate of Coverage No. NCG140218
Facility Name: Thomas Concrete of Carolina — Durham Sample Collection Period: Period 1
County: Durham For Monthly Monitoring: Month: fit y
Phone Number. 91946D.5317 Person Collecting Samples:
Certified Laboratory: E�& Lab # EN_V 375
Lab #
for any
Period 2 ❑ Calendar Year 2=
Has this facility had 4 or more benchmark exeeedances for any single parameter, at any one SW discharge outfall (SDO)? Yes ® No ❑
Have you contacted the Regional Office? Yes ® No ❑
Whom at the Realon did you sneak with? Thad Valentine
Stor wMwMon@odndReaulrements
`*Mar Ulu
Pamla Date 311=17 — W3012022 Lest Ravi"d 8-22-2017
Pape 1 of 3

Certificate of Coverage No. NCG140218
Storm ater MoNtorina ReaufremerM
LY.Y •%Y` Y. ?f .i .. ✓
�C�'1?y� S
'^'IN�"(�
o. +.�+,���{{�+
r
` �
W'PIl01.AL'JwYM»..
�`
3ulii
''}�'^fit✓Y:hitle
..
Perms Date 811/2017 — GrM022
Last Revised e-22-2017
Page 2 of 7

NC Dept Of Frivironmental Quality
JUN 2 8 2018
Raleigh Regional Office
Certificate of Coverage No. NCG140218
CERTIFICATION
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persona who
manage the system, or Nose persons directly responsible for gathering the information, the information submitted is, to the beat of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting (else information, including the possibility of fines and
imprisonmennt"ffbrrkknow,1ing�viiiool�a�tions." (RegWMdby40CFRg12224
Signature 11T1 \1Cr`^�l
Data (ten'\ -1
Mail Benchmark ExceedanceRler 2 DMR to Your DEMLR Regional Office Land Quality Section:
2090 US Highway 70
Swannanoa, NC 28771
(828) 2964500
arrett Drive
, NC 27609
7914200
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27103
[phone]
225 Green Street
Systel Building Suite 714
Fayetteville, NC 28301.5043
[phone]
943 Washington Square Mall
Washington, NC 27889
[phone]
Questions for The Cemrel Office
Stornwater Permitting Program?
[phone]
610 East Center Avenue/Suite 301
Mooresville, NC 29115
[phone]
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
[phone]
PermitDsts ar1r2077 - 42aRe22 Last Revised 8-22-2017
Poe 3of3

SUBMIT TO REGIONAL
General Permit No. NCG140000
'Use this form If any suer samples have EXCEEDED A BENCHMARK or If the ffldrly, Is in TIER 2 MONITORING for any parameter.
Send sample results to me DEMLR Regional Office sdNln 30 days o1 mcW eom the laboratory. I
Certificate of Coverage No.
Facility Name: Thomas Concrete of Carolina — Morrisville Plant Sample Collection Period: Period 10 Period 2 ❑ Calendar Year 201
County: Wake For Monthly Monitoring: Month: My
Phone Number 919-460.5317 Person Collecting Samples:
Certille l Laboratory: ESC Lab s ENV 375
Lab s
Has this facility had 4 or more benchmark exceedances for any single parameter, at anyone SW discharge outfall (SDO)? Yes® No ❑
Have you contacted the Regional Office? Yes E No ❑
Whom at the Region did you speak with? Thad Valentine
Stormivater Mcnhorina Requirements
^n^
•.
/
$.Y
-pR��r
C_ J' C
;.'
l
'Y�T�
1
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v, +at�"> h yr
Itxy.. .?k
S
1+.
'Th ?+ !:st'.� FaRYsrur..hrM1
u.
.a:s'•�.
IYe •.
1
(.
Permit Data $11111417 — I1130=22 Lest Revised B-22-2017
Pepe 1 or 3

Certificate or Coverage No. NCG140266
1 . L- WAm
ml,stuY.Fa:
T,.
Pamta Date 6H/2017 — 6130=22 Last Revised 8.22.2017
Page 2 at

Certificate of Coverage No. NCG140266
CERTIFICATION
"1 certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision In accordance with a system
designed to assure that qualified personnel property gather and evaluate the information submitted. Based on my inquiry of the person or persons who
manage the system, or those persons directly responsible for gathering the information, the information submitted Is, to the best of my knowledge and
belief, We, accurate, and complete. I am aware that Mere are significant penalties for submitting false Information, including the possibility of fines and
imprisonment
'for
\knnowin violations." IR0WMdby40CFR§122.22)
Signature
Date (o- % l�
Mall Benchmark Exceeciancefl-ler 2 DMR to Your DEMLR Regional Office Land Quality Section:
2090 US Highway 70
Swannanoa, INC 28778
[phone]
3800 Barrett Drive
Raleigh, NC 27609
[phone]
450 Hanes Mill Road Suite 300
Winston-Salem, NC 27103
[phone]
225 Green Street
Systel Building Suite 714
Fayetteville, NC 28301-5043
[phone]
943 Washington Square Mail
Washington, NC 27889
Questions for The Central Office
Stormwater Permitting Program?
[phone]
610 East Center Avenue/Suite 301
Mooresville, NC 28115
[phone]
127 Cardinal Drive Extension
Wilmington, NC 29405-2845
[phone]
Permit Days 8M=17 - 640=22 Last Revised 9-22-2017
Pans 3 of 3

or TIER 2 DISCHARGE MONITORING REPORT (DMR) —
TO REGIONAL OFFICE"
General Permit No. NCG140000
'Use this lomn If any stormwater samples have EXCEEDED A BENCHMARK or If thefacany is In TIER 2 MONITORING for my parameter.
I Send sarnple resufts to the DEMLR Regional Office wftn 30 days of faceot from Me Worefoty, I
Certificate of Coverage No. NCG140001
Facility Name: Thomas Concrete of Caroline - Raleigh Plant Sample Collection Period: Period 10 Period 2 ❑ Calendar Year 2016
County: WAK2 For Monthly Monitoring: Month: MU
Phone Number. Big-828440 Person Collecting Samples:
Certified Laboratory: ESC Lab 0 ENV 37
Lab #
Has this facility had 4 or more benchmark oxceeclarwAs for any single parameter, at anyone SW discharge cultall (SDO)? Ye9Z NoE)
He" you contacted the Regional office? Yes E No ❑
[INhonn at the Region did you speak with? Thad Valentine
Stomrwatw Monitoring Requirements
. F6.
Permit Dals 811/2077 - 61s012022 Log Revised B-22-2017
Page I of 3

Certificate of Coverage No. NCG140218
N�
h'y'
r
1r- 6k. {r !Z
��'use
frA,scvrL:'v
M1's.v:.sai
SSdi
y}r
Permit Date W112017 — 0A0R022 Lest Revised 6-22-2017
Pepe 2 of 3

Certificate of Coverage No. NCG140218
CERTIFICATION
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel property gather and evaluate the information submitted. Based on my inquiry of the person or persons who
manage the system, or those persons directly responsible for gathering the informatlon, the information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, Including the possibility of fines and
imprisonment for knowin violati a." (R&q imdby40CFR§122.22/
Signature
Date
Mail Benchmark Exceedance/Tler 2 DMR to Your DEMLR Regional Office Land Quality Section:
Swannanoa, NC 29778
(829) 2964500
3800 Barrett Drive
Raleigh, NC 27609
(919)7914200
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27103
[phone]
Permit Data 811/2017 - 64101111122
225 Green Street
Systel Building Suite 714
Fayetteville, NC 28301-5043
[phone]
943 Washington Square M
Washington, NC 27889
[phone]
Questions for The Central Office
Stormwater Permitting Program?
[phone]
610 East Center Avenue/Suit,
Mooresvillc, NC 28115
[phone]
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
[phone]
Last Revised 8-22-2017
Page 3 ul 3

BENCHMARK EXCEEDANCE or TIER 2 DISCHARGE MONITORING REPORT (DMR) - STORMWATER
11 SUBMIT TO REGIONAL OFFICE*
General Permit No. NCG140000
*Use this form if any stormwater samples have EXCEEDED A BENCHMARK or if the facility is in TIER 2 MONITORING for any parameter.
Send sample results to the DEMLR Regional Office within 30 days of receipt from the laboratory.
Certificate of Coverage No. NCG140001
Facility Name: Thomas Concrete of Carolina — Raleigh Plant Sample Collection Period: Period 1 ® Period 2 ❑ Calendar Year 2018
County: Wake For Monthly Monitoring: Month: June
Phone Number: 919-828-4403 Person Collecting Samples:
Certified Laboratory: ESC Lab # ENV 375
Lab #
Has this facility had 4 or more benchmark exceedances for any single parameter, at anyone SW discharge outfall (SDO)? Yes® No ❑
Have you contacted the Regional Office? Yes ® No ❑
Whom at the Region did you speak with? Thad Valentine
Stormwater Monitorina Reauirements
Outfall
No.
Date Sample
Collected
Total
Rainfall
Is this SDO in
Tier 2?
Does this SDO
include Vehicle
Maintenance
Activities (VMA)?
Total
Suspended
Solids (TSS),
mg/1
pH,
SU
Non-polar.O&G
(EPA Method,1664
(SGT-HEM)), mg/I
(VMA)
H I m
New Motor Oil
Usage (gal/mo.)
n eppYeaue
mo/dd/yr
or "NO FLOW"
inches
YIN
YIN
100
50 (ORW, NOW. Tr, PNA)
6.0-9.0
15
>55 gagmo. average
.qun.TSSandNonpolar
OSG monitodng
001
NO FLOW
Y
N
Permit Date 8/1/2017 — 6/30/2022 Last Revised B-22-2017
Page 1 of 3

Certificate of Coverage No. NCG140218
Stormwater Monitoring Requirements
Outfall
No.
Date.Sample
Collected
Total
Rainfall
Is this SDO in
Tier 2?
Does this SDO
include Vehicle
Maintenance
Activities (VMA)1
Total
Suspended
Solid's (TSS),
mgll
pH,
SU
Non -polar O&G
(EPA Method 16.64
(SGT-HEM)), mg/I
(VMA)
n appikabb .
.'New Motor Oil
Usage (gal/mo.)
;.naW;C1,,,
0
Worl"OFLIOW"
inches
YIN
Y/N
100
50 (ORW, NOW. Tr. PNA (
6.0-9.0
15
>55 gagmo. average
requiresTSSand Nony W
O&G monNudng
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 2 of 3

Certificate of Coverage No. NCG 140218
CERTIFICATION
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who
manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and
imprisonment for knowing
Signature
Date q-
ons.° (Required by 40 CFR §122.221
Mail Benchmark Exceedance/Tier 2 DMR to Your DEMLR Regional Office Land Quality Section:
2090 US Highway 70
Swannanoa, NC 28778
[phone]
RALEIGH REGIONAL OFFICE
3800 Barrett Drive
Raleigh, NC 27609
[phone]
W INSTON-SA LEM •REGIONAL
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27103
[phone]
Permit Date 8/1/2017 — 6/30/2022
'ETTEVILLE REGIONAL OFFICE
225 Green Street
Systel Building Suite 714
Fayetteville, NC 28301-5043
[phone]
943 Washington Square Mall
Washington, NC 27889
[phone]
CENTRAL OFFICE
Questions for The Central Office
Stormwater Permitting Program?
[phone]
dOORESVILLE REGIONAL OFFICE
610 East Center Avenue/Suite 301
Mooresville, NC 28115
[phone]
WILMINGTON'REGIONAL OFFICE
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
[phone]
Last Revised 6-22-2017
Page 3 of 3

BENCHMARK EXCEEDANCE or TIER 2 DISCHARGE MONITORING REPORT (DMR) - STORMWATER
SUBMIT TO REGIONAL OFFICE*
General Permit No. NCG140000
`Use this form if any stormwater samples have EXCEEDED A BENCHMARK or if the facility is in TIER 2 MONITORING for any parameter.
Send sample results to the DEMLR Regional Office within 30 days of receipt from the laboratory.
Certificate of Coverage No. NCG140350
Facility Name: Thomas Concrete of Carolina — Wake Forest Plant Sample Collection Period:
County: Wake For Monthly Monitoring: Month: June
Phone Number: 919-562-1909 Person Collecting Samples:
Certified Laboratory: ESC Lab # ENV 375
Lab #
Period 1 N Period 2 ❑ Calendar Year 2018
Has this facility had 4 or more benchmark exceedances for any single parameter, at anyone SW discharge outfall (SDO)? Yes N No ❑
Have you contacted the Regional Office? Yes N No ❑
Whom at the Region did you speak with? Thad Valentine
Stormwater Monitoring Reouirements
Outfall
No.
ae
Date Sample
p
Collected
Total
Rainfall
Is this SDO in
Tier 2?
Does this SDO
include Vehicle
Maintenance
Activities (VMA)?
Total
Suspended
Solids (TSS),
mg/I
pH,
SU
Non -polar O&G
(EPA Method 1664
(SGT-HEM)), mg/1
(VMA))
New Motor Oil
Usage (gal/mo.)
ffapplkobft
r>..-
mo/dd/yr
RorNO FLOW"
Inches
YIN
Y/N
100
5O (OM, NOW, Tr, GNAT
6.0-9.0
15
voqulmeTSS and Nonp lm
OSG monitoring
001
NO FLOW
Y
N
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 1 of 3

Certificate of Coverage No. NCG140350
Stormwater Monitoring Requirements
Outfall
No.
Date Sample
Collected
Total
Rainfall ,
Is this SDO in
Tier 2?
Does this SDO
include Vehicle
Maintenance
Activities (VMA)T
Total
Suspended
Solids (TSS),
mgll
pH,
SU
Non -polar O&G
(EPA Method 1664
(SGT-HEM)), mg/I
(VMA)
it appu"�
New Motor Oil
Usage (gallmo.)
n,pak ea
mo/ddlyr
or "NO F,LQW"
inches
YIN
YIN
100
50 (ORW, NOW, Tr, PNA)
6.0-9.0
15
>Sb gagmo. avenge
squleaTSSwdNor�pmar
OAG m mtotlng
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 2 of 3

Certificate of Coverage No. NCG140350
CERTIFICATION
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who
manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and
imprisonment for kno 'ng vi lations." [Required by 40 CFR §122.22]
Signature QV
Date 4 V;k 1
Mail Benchmark Exceedance/Tier 2 DMR to Your DEMLR Regional Office Land Quality Section:
EVILLE REGIONAL"OF
2090 US Highway 70
Swannanoa, NC 28778
[phone]
3800 Barrett Drive
Raleigh, NC 27609
[phone]
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27103
[phone]
AYETTEVILLE REGIONAL OFFICE
225 Green Street
Systel Building Suite 714
Fayetteville, NC 28301-5043
[phone]
NASHINGTON REGIONAL OFFICE
943 Washington Square Mall
Washington, NC 27889
[phone]
Questions for The Central Office
Stormwater Permitting Program?
[phone]
610 East Center Avenue/Suite 301
Mooresville, NC 28115
[phone]
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
[phone]
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 3 of 3

BENCHMARK EXCEEDANCE or TIER 2 DISCHARGE MONITORING REPORT (DMR) — STORMWATER
SUBMIT TO REGIONAL OFFICE*
General Permit No. NCG140000
`Use this form if any stormwater samples have EXCEEDED A BENCHMARK or if the facility is in TIER 2 MONITORING for any parameter.
Send sample results to the DEMLR Regional Office within 30 days of receipt from the laboratory.
Certificate of Coverage No. NCG140218
Facility Name: Thomas Concrete of Carolina — Durham Sample Collection Period:
County: Durham For Monthly Monitoring:
Phone Number: 919-598-0456 Person Collecting Samples:
Certified Laboratory: ESC Lab # ENV 375
Lab #
Period 1 ® Period 2 ❑ Calendar Year 2018
Month: June
Has this facility had 4 or more benchmark exceedances for any single parameter, at anyone SW discharge outfall (SDO)? Yes® No ❑
Have you contacted the Regional Office? Yes ® No ❑
Whom at the Region did you speak with? Thad Valentine
Stormwater Monitorina Reauirements
Outfall
No.
Date Sample
Collected
Total
Rainfall
Is this SDO in
Tier 2?
Does this SDO
include Vehicle
Maintenance
Activities (VMA)?
Total
Suspended
Solids (TSS),
mg/I
pH,
SU
Non -polar O&G
(EPA Method 1664
(SGT-HEM)), mg/I
(VMA)
brapplicable
New Motor Oil
Usage (gal/mo.)
I/appliceDle
0mo/dd/yr
or "NO FLOW"
inches
Y/N
Y/N
100
50 (OM, HOW, Tr, PNA(
6.0-9.0
15
>55 gagmo. average
reyulmsTSSand Non -polar
O&G monitoring
001
NO FLOW
Y
Y
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 1 of 3

Certificate of Coverage No. NCG140218
Stormwater Monitoring Requirements
Outfall
No
Date Sample
Collected
Total
Rainfall
Is this SDO in
Tier 2?
Does this SDO
include Vehicle
Maintenance
Activities (VMA)?
Total
Suspended
Solids (TSS),
mg/I
pH,
SU
Non -polar O&G
(EPA Method 1664
(SGT-HEM)), mg/1-
(VMA)
Hs X k
New Motor Oil
Usage (gal/mo.)
akeWa.
flpW
inches
Y/N
YIN
1006.0-9.0
50 /oaw, wow. •., pNa/
15
>55 qal/mo. averago
pWresT55antlNonpoor10"
oac mnn„oriny
Permit Date 6/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 2 of 3

Certificate of Coverage No. NCG 140218
CERTIFICATION
" I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who
manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and
imprisonment for knowing violations." (Required by 40 CFR §122.221
Signs
Date
Mail Benchmark Exceedance/Tier 2 DMR to Your DEMLR Regional Office Land Quality Section:
EVILLE`REGIONAUOFFICE IFA
2090 US Highway 70
Swannanoa, NC 28778
[phone]
RALEIGH -REGIONAL OFFICE
3800 Barrett Drive
Raleigh, NC 27609
[phone]
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27103
[phone]
W
225 Green Street
Systel Building Suite 714
Fayetteville, NC 28301-5043
[phone]
943 Washington Square Mall
Washington, NC 27889
[phone]
CENTRAL OFFICE
Questions for The Central Office
Stormwater Permitting Program?
[phone]
VIOORESVILLE REGIONAL OFFICI
610 East Center Avenue/Suite 301
Mooresville, NC 28115
[phone]
WILMINGTON REGIONAL OFFICE
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
[phone]
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 3 of 3

BENCHMARK EXCEEDANCE or TIER 2 DISCHARGE MONITORING REPORT (DMR) — STORMWATER
SUBMIT TO REGIONAL OFFICE' 11
General Permit No. NCG140000
'Use this form if any stormwater samples have EXCEEDED A BENCHMARK or if the facility is in TIER 2 MONITORING for any parameter.
Send sample results to the DEMLR Regional Office within 30 days of receipt from the laboratory.
Certificate of Coverage No. NCG140266
Facility Name: Thomas Concrete of Carolina — Morrisville Plant Sample Collection Period: Period 1 ® Period 2 ❑ Calendar Year 2018
County: Wake For Monthly Monitoring: Month: June
Phone Number: 919-460-5317 Person Collecting Samples:
Certified Laboratory: ESC Lab # ENV 375
Lab #
Has this facility had 4 or more benchmark exceedances for any single parameter, at any one SW discharge outfall (SDO)? Yes ® No ❑
Have you contacted the Regional Office? Yes ® No ❑
Whom at the Region did you speak with? Thad Valentine
Stormwater Monitorina Reauirements
Does this SDO
Total
Non-polar.O&G
include Vehicle
Suspended
pH,
(EPA Method 1664
New Motor Oil
Outfall
Date Sample
Total
Is this SDO in
Maintenance.
Solids (TSS),
SU
(SOT-HEIIII)), mg/I
Usage (gal/mo.)
No.
Collected
Rainfall
Tier 2?
Activities (VMA)?
mg/I
(VMA)
ff.pptkWe
Ma /ea4M'
mo/dd/yr
inches
Y/N
Y/N
100
50)m<w,
6.0-9.0
15
>55
npuina T55 aM Non
..TSS.. N"g�'a,
osc
Or"NO F.LQW"
now. T"mu)
manic ,re
001
NO FLOW
Y
Y
002
NO FLOW
Y
Y
NC DeptofEnvironmen
W Quality
003
NO FLOW
Y
Y
JUL
71 7ml
------o-- --d...,aa ,,. Aww
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 1 of 3

Certificate of Coverage No. NCG 140266
Stormwater Monitoring Requirements
Outfall
No.
Date Sample
P
Collected
Total
Rainfall
Is this SDO in
Tier 2?
Does this SDO
include Vehicle
Maintenance
Activities (VMA)?
Total
Suspended
Solids (TSS),,
m I
pH,
SU
Non -polar O&G
(EPA Method.1664
(SGT-HEM)), mgll
VMA '
( 1
New Motor Oil
Usage'(gaUrrio:)
napplkabM
mo/dd/yr
or "NO FLOW"
inches
Y/N
Y/N
100
$� IORW. NOW, Tr, PNA)
6.0-9.0
1s
rosT and rpulrvs T55 and Nam
OAG m nilonng
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 2 of 3

Certificate of Coverage No. NCG140266
CERTIFICATION
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who
manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and
imprisonment for knowing violations.' p3equired by 40 CFR §122.221
Signature
Date '7
Mail Benchmark Exceedance/Tier 2 DMR to Your DEMLR Regional Office Land Quality Section:
ASH EVILLE'.REGIONALOFFICE I FAYETTEVILLE REGIONAL OFFICE I MOORESVILLE'REGIONAL OFFICE
2090 US Highway 70 225 Green Street 610 East Center Avenue/Suite 301
Swannanoa, NC 28778 Systel Building Suite 714 Mooresville, NC 28115
[phone] Fayetteville, NC 28301-5043 [phone]
[phone]
LEIGH REGIONAL OFFICE
3800 Barrett Drive
Raleigh, NC 27609
[phone]
450 Hanes Mill Road, Suite 300
Winston-Salem, NC 27103
[phone]
WASH INGTON REGIONAL OFFICE
943 Washington Square Mall
Washington, NC 27889
[phone]
Questions for The Central Office
Stormwater Permitting Program?
[phone]
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
[phone]
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 3 of 3

STORMWATER DISCHARGE OUTFALL (SDO)
ANNUAL SUMMARY DATA MONITORING REPORT (DMR)
Calendar Year 2014
Individual NPDES Permit No. NCSUUUUULJ or
Certificate of Coverage (COC) No. NCG140418
This monitoring report summary of the calendar year is due to the DWQ Regional Office no later than March 1" of the following year.
Facility Name: Thomas Concrete of Carolina-Knightdale Plant— I
County: Wake
Phone Number: ( 919 ) 562-1909 Total no. of SDOs monitored
z
1 n
Outfall No. _001_
v
Is this outfall currently in Tier 2 (monitored monthly)?
Yes ❑ No ®
z7
Was this outfall ever in Tier 2 (monitored monthly) during the past year?
Yes ❑ No ®
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
_
o
Enough consecutive samples below benchmarks to decrease frequency
❑
Received approval from DWO to reduce monitoring frequency
❑
g
Other
❑
��
Was this SDO monitored because of vehicle maintenance activities?
Yes ❑ No
Parameter, units
Total
Rainfall,
Inches
pH
(Standard
units)
TSS
(m9n)
Benchmark
N/A
6.0-9.0
100
Date Sample
moMddfyy
Elm,
1=1��
01
No discharge recorded during first or second semiannual stormwater monitoring event
S WU-264-Generic-25May2010

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if. ��
S
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rS�/
_� ��
yc T
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� n
--cJ �
y � AI
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{� X
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l�"":�
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Additional Outfall Attachment
" I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the
best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for owing violations."
Signature
Date 5 -
S W U-264-Generic-25May2010